To find the Population for your community:
For Census Tract data, use the American FactFinder (http://factfinder2.census.gov/faces/nav/jsf/pages/index.xhtml)
For City, County and State information, go to the U.S. Census Bureau's Website and go to "Quick Facts" http://quickfacts.census.gov/qfd/index.html
To find the Population Density (usually given as number of persons per square mile of land area) for your community:
For City, County and State information, go to the U.S. Census Bureau's Website (http://www.census.gov/) and look for "Quick Facts" on the left-hand side of the screen.
While you may not find the population density of your Census Tract, you may be able to find data on your Community in other places:
To find information on the Population Changes in your community over the past 10 years, you will need to compare data from the 2000 Census to data from the 2010 Census.
Kansas http://www.ipsr.ku.edu/ksdata/ksah/population/
Missouri https://oa.mo.gov/budget-planning/demographic-information/2010-census-data
Most of your data on population, including Race and Gender Distribution, should come from the United States Government's 2010 Census of Population and Housing. You have several options for accessing this data, including:
For Census Tract data, use the American FactFinder (http://factfinder2.census.gov/faces/nav/jsf/pages/index.xhtml)
For City, County and State information, go to the U.S. Census Bureau's Website (http://www.census.gov/) and look for "Quick Facts" on the left-hand side of the screen.